Add sysadmin/tmpfs

Signed-off-by: Nicolas Iooss <nicolas.iooss_git@polytechnique.org>
Add ysadmin/archlinux-pkg

Signed-off-by: Nicolas Iooss <nicolas.iooss_git@polytechnique.org>
Add etc-server/jabber/ejabberd

Signed-off-by: Nicolas Iooss <nicolas.iooss_git@polytechnique.org>